package com.atguigu.daijia.driver.service.impl;

import com.alibaba.fastjson.JSON;
import com.atguigu.daijia.common.constant.SystemConstant;
import com.atguigu.daijia.common.execption.GuiguException;
import com.atguigu.daijia.common.result.ResultCodeEnum;
import com.atguigu.daijia.common.util.LocationUtil;
import com.atguigu.daijia.dispatch.client.NewOrderFeignClient;
import com.atguigu.daijia.driver.service.OrderService;
import com.atguigu.daijia.map.client.LocationFeignClient;
import com.atguigu.daijia.map.client.MapFeignClient;
import com.atguigu.daijia.model.entity.order.OrderInfo;
import com.atguigu.daijia.model.enums.OrderStatus;
import com.atguigu.daijia.model.form.map.CalculateDrivingLineForm;
import com.atguigu.daijia.model.form.order.OrderFeeForm;
import com.atguigu.daijia.model.form.order.StartDriveForm;
import com.atguigu.daijia.model.form.order.UpdateOrderBillForm;
import com.atguigu.daijia.model.form.order.UpdateOrderCartForm;
import com.atguigu.daijia.model.form.rules.FeeRuleRequestForm;
import com.atguigu.daijia.model.form.rules.ProfitsharingRuleRequestForm;
import com.atguigu.daijia.model.form.rules.RewardRuleRequestForm;
import com.atguigu.daijia.model.vo.base.PageVo;
import com.atguigu.daijia.model.vo.map.DrivingLineVo;
import com.atguigu.daijia.model.vo.map.OrderLocationVo;
import com.atguigu.daijia.model.vo.map.OrderServiceLastLocationVo;
import com.atguigu.daijia.model.vo.order.*;
import com.atguigu.daijia.model.vo.rules.FeeRuleResponseVo;
import com.atguigu.daijia.model.vo.rules.ProfitsharingRuleResponseVo;
import com.atguigu.daijia.model.vo.rules.RewardRuleResponseVo;
import com.atguigu.daijia.order.client.OrderInfoFeignClient;
import com.atguigu.daijia.rules.client.FeeRuleFeignClient;
import com.atguigu.daijia.rules.client.ProfitSharingRuleFeignClient;
import com.atguigu.daijia.rules.client.RewardRuleFeignClient;
import jakarta.annotation.Resource;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.joda.time.DateTime;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ThreadPoolExecutor;

@Slf4j
@Service
@SuppressWarnings({"unchecked", "rawtypes"})
public class OrderServiceImpl implements OrderService {
    @Resource
    private OrderInfoFeignClient orderInfoFeignClient;

    @Resource
    private NewOrderFeignClient newOrderFeignClient;

    @Resource
    private MapFeignClient mapFeignClient;

    @Resource
    private LocationFeignClient locationFeignClient;

    @Resource
    private FeeRuleFeignClient feeRuleFeignClient;

    @Resource
    private RewardRuleFeignClient rewardRuleFeignClient;

    @Resource
    private ProfitSharingRuleFeignClient profitSharingRuleFeignClient;

    @Resource
    private ThreadPoolExecutor threadPoolExecutor;

    /**
     * 根据订单Id查询订单状态
     *
     * @param orderId 订单Id
     */
    @Override
    public Integer getOrderStatus(Long orderId) {
        return orderInfoFeignClient.getOrderStatus(orderId).getData();
    }

    /**
     * 查询司机新订单数据
     *
     * @param driverId 司机Id
     */
    @Override
    public List<NewOrderDataVo> findNewOrderQueueData(Long driverId) {
        return newOrderFeignClient.findNewOrderQueueData(driverId).getData();
    }

    /**
     * 司机抢单
     *
     * @param driverId 司机Id
     * @param orderId  订单Id
     */
    @Override
    public Boolean robNewOrder(Long driverId, Long orderId) {
        return orderInfoFeignClient.robNewOrder(driverId, orderId).getData();
    }

    /**
     * 司机端查找当前订单
     *
     * @param driverId 司机Id
     */
    @Override
    public CurrentOrderInfoVo searchDriverCurrentOrder(Long driverId) {
        return orderInfoFeignClient.searchDriverCurrentOrder(driverId).getData();
    }

    /**
     * 获取订单账单详细信息
     *
     * @param orderId  订单Id
     * @param driverId 司机Id
     */
    @Override
    public OrderInfoVo getOrderInfo(Long orderId, Long driverId) {
        // 订单信息
        OrderInfo orderInfo = orderInfoFeignClient.getOrderInfo(orderId).getData();
        if (orderInfo.getDriverId().longValue() != driverId.longValue()) {
            throw new GuiguException(ResultCodeEnum.ILLEGAL_REQUEST);
        }

        // 账单信息
        OrderBillVo orderBillVo = null;
        // 分账信息
        OrderProfitsharingVo orderProfitSharing = null;
        if (orderInfo.getStatus() >= OrderStatus.END_SERVICE.getStatus()) {
            orderBillVo = orderInfoFeignClient.getOrderBillInfo(orderId).getData();

            // 获取分账信息
            orderProfitSharing = orderInfoFeignClient.getOrderProfitSharing(orderId).getData();
        }

        // 封装订单信息
        OrderInfoVo orderInfoVo = new OrderInfoVo();
        orderInfoVo.setOrderId(orderId);
        BeanUtils.copyProperties(orderInfo, orderInfoVo);
        orderInfoVo.setOrderBillVo(orderBillVo);
        orderInfoVo.setOrderProfitsharingVo(orderProfitSharing);

        return orderInfoVo;
    }

    /**
     * 计算最佳驾驶线路
     *
     * @param calculateDrivingLineForm 计算线路参数
     */
    @Override
    public DrivingLineVo calculateDrivingLine(CalculateDrivingLineForm calculateDrivingLineForm) {
        return mapFeignClient.calculateDrivingLine(calculateDrivingLineForm).getData();
    }

    /**
     * 司机到达代驾起始地点
     *
     * @param orderId  订单Id
     * @param driverId 司机Id
     */
    @Override
    public Boolean driverArriveStartLocation(Long orderId, Long driverId) {
        // 防止刷单，计算司机的经纬度与代驾的起始经纬度是否在1公里范围内
        OrderInfo orderInfo = orderInfoFeignClient.getOrderInfo(orderId).getData();
        OrderLocationVo orderLocationVo = locationFeignClient.getCacheOrderLocation(orderId).getData();
        // 司机的位置与代驾起始点位置的距离
        double distance = LocationUtil.getDistance(orderInfo.getStartPointLatitude().doubleValue(),
                orderInfo.getStartPointLongitude().doubleValue(),
                orderLocationVo.getLatitude().doubleValue(),
                orderLocationVo.getLongitude().doubleValue());
        if (distance > SystemConstant.DRIVER_START_LOCATION_DISTANCE) {
            throw new GuiguException(ResultCodeEnum.DRIVER_START_LOCATION_DISTION_ERROR);
        }

        return orderInfoFeignClient.driverArriveStartLocation(orderId, driverId).getData();
    }

    /**
     * 更新代驾车辆信息
     *
     * @param updateOrderCartForm 更新订单信息参数
     */
    @Override
    public Boolean updateOrderCart(UpdateOrderCartForm updateOrderCartForm) {
        return orderInfoFeignClient.updateOrderCart(updateOrderCartForm).getData();
    }

    /**
     * 开始代驾服务
     *
     * @param startDriveForm 开始代驾参数
     */
    @Override
    public Boolean startDrive(StartDriveForm startDriveForm) {
        return orderInfoFeignClient.startDrive(startDriveForm).getData();
    }

    /**
     * 结束代驾服务更新订单账单
     *
     * @param orderFeeForm 订单账单参数
     */
    @SneakyThrows
    @Transactional
    @Override
    public Boolean endDrive(OrderFeeForm orderFeeForm) {
        // 1.获取订单信息
        CompletableFuture<OrderInfo> orderInfoCompletableFuture = CompletableFuture.supplyAsync(() -> {
            OrderInfo orderInfo = orderInfoFeignClient.getOrderInfo(orderFeeForm.getOrderId()).getData();
            if (orderInfo.getDriverId().longValue() != orderFeeForm.getDriverId().longValue()) {
                throw new GuiguException(ResultCodeEnum.ARGUMENT_VALID_ERROR);
            }

            return orderInfo;
        }, threadPoolExecutor);

        // 2.防止刷单，计算司机的经纬度与代驾的终点经纬度是否在2公里范围内
        CompletableFuture<OrderServiceLastLocationVo> orderServiceLastLocationVoCompletableFuture =
                CompletableFuture.supplyAsync(() ->
                                locationFeignClient.getOrderServiceLastLocation(orderFeeForm.getOrderId()).getData()
                        , threadPoolExecutor);

        // 合并
        CompletableFuture.allOf(orderInfoCompletableFuture, orderServiceLastLocationVoCompletableFuture).join();

        // 获取数据
        OrderInfo orderInfo = orderInfoCompletableFuture.get();
        OrderServiceLastLocationVo orderServiceLastLocationVo = orderServiceLastLocationVoCompletableFuture.get();

        // 司机的位置与代驾终点位置的距离
        double distance = LocationUtil.getDistance(orderInfo.getEndPointLatitude().doubleValue(),
                orderInfo.getEndPointLongitude().doubleValue(),
                orderServiceLastLocationVo.getLatitude().doubleValue(),
                orderServiceLastLocationVo.getLongitude().doubleValue());
        if (distance > SystemConstant.DRIVER_END_LOCATION_DISTANCE) {
            throw new GuiguException(ResultCodeEnum.DRIVER_END_LOCATION_DISTION_ERROR);
        }

        // 3.计算订单实际里程
        CompletableFuture<BigDecimal> realDistanceCompletableFuture = CompletableFuture.supplyAsync(() -> {
            BigDecimal realDistance = locationFeignClient.calculateOrderRealDistance(orderFeeForm.getOrderId()).getData();
            log.info("结束代驾，订单实际里程：{}", realDistance);

            return realDistance;
        }, threadPoolExecutor);

        // 4.计算代驾实际费用
        CompletableFuture<FeeRuleResponseVo> feeRuleResponseVoCompletableFuture = realDistanceCompletableFuture
                .thenApplyAsync((realDistance) -> {
                    FeeRuleRequestForm feeRuleRequestForm = new FeeRuleRequestForm();
                    feeRuleRequestForm.setDistance(realDistance);
                    feeRuleRequestForm.setStartTime(orderInfo.getStartServiceTime());
                    // 等候时间
                    Integer waitMinute = Math.abs((int) ((orderInfo.getArriveTime().getTime()
                            - orderInfo.getAcceptTime().getTime())
                            / (1000 * 60)));
                    feeRuleRequestForm.setWaitMinute(waitMinute);
                    log.info("结束代驾，费用参数：{}", JSON.toJSONString(feeRuleRequestForm));
                    FeeRuleResponseVo feeRuleResponseVo = feeRuleFeignClient.calculateOrderFee(feeRuleRequestForm).getData();
                    log.info("费用明细：{}", JSON.toJSONString(feeRuleResponseVo));
                    // 订单总金额 需加上 路桥费、停车费、其他费用、乘客好处费
                    BigDecimal totalAmount = feeRuleResponseVo.getTotalAmount()
                            .add(orderFeeForm.getTollFee())
                            .add(orderFeeForm.getParkingFee())
                            .add(orderFeeForm.getOtherFee())
                            .add(orderInfo.getFavourFee());
                    feeRuleResponseVo.setTotalAmount(totalAmount);

                    return feeRuleResponseVo;
                });

        // 5.计算系统奖励
        // 5.1.获取订单数
        CompletableFuture<Long> orderNumCompletableFuture = CompletableFuture.supplyAsync(() -> {
            String startTime = new DateTime(orderInfo.getStartServiceTime()).toString("yyyy-MM-dd") + " 00:00:00";
            String endTime = new DateTime(orderInfo.getStartServiceTime()).toString("yyyy-MM-dd") + " 24:00:00";

            return orderInfoFeignClient.getOrderNumByTime(startTime, endTime).getData();
        }, threadPoolExecutor);

        // 5.2.封装参数
        CompletableFuture<RewardRuleResponseVo> rewardRuleResponseVoCompletableFuture = orderNumCompletableFuture
                .thenApplyAsync((orderNum) -> {
                    RewardRuleRequestForm rewardRuleRequestForm = new RewardRuleRequestForm();
                    rewardRuleRequestForm.setStartTime(orderInfo.getStartServiceTime());
                    rewardRuleRequestForm.setOrderNum(orderNum);
                    // 5.3.执行
                    RewardRuleResponseVo rewardRuleResponseVo =
                            rewardRuleFeignClient.calculateOrderRewardFee(rewardRuleRequestForm).getData();
                    log.info("结束代驾，系统奖励：{}", JSON.toJSONString(rewardRuleResponseVo));

                    return rewardRuleResponseVo;
                });

        // 6.计算分账信息
        CompletableFuture<ProfitsharingRuleResponseVo> profitSharingRuleResponseVoCompletableFuture =
                feeRuleResponseVoCompletableFuture.thenCombineAsync(orderNumCompletableFuture, (feeRuleResponseVo, orderNum) -> {
                    ProfitsharingRuleRequestForm profitSharingRuleRequestForm = new ProfitsharingRuleRequestForm();
                    profitSharingRuleRequestForm.setOrderAmount(feeRuleResponseVo.getTotalAmount());
                    profitSharingRuleRequestForm.setOrderNum(orderNum);
                    ProfitsharingRuleResponseVo profitSharingRuleResponseVo =
                            profitSharingRuleFeignClient.calculateOrderProfitSharingFee(profitSharingRuleRequestForm).getData();
                    log.info("结束代驾，分账信息：{}", JSON.toJSONString(profitSharingRuleResponseVo));

                    return profitSharingRuleResponseVo;
                });

        CompletableFuture.allOf(orderInfoCompletableFuture,
                realDistanceCompletableFuture,
                feeRuleResponseVoCompletableFuture,
                orderNumCompletableFuture,
                rewardRuleResponseVoCompletableFuture,
                profitSharingRuleResponseVoCompletableFuture
        ).join();

        // 获取执行结果
        BigDecimal realDistance = realDistanceCompletableFuture.get();
        FeeRuleResponseVo feeRuleResponseVo = feeRuleResponseVoCompletableFuture.get();
        RewardRuleResponseVo rewardRuleResponseVo = rewardRuleResponseVoCompletableFuture.get();
        ProfitsharingRuleResponseVo profitSharingRuleResponseVo = profitSharingRuleResponseVoCompletableFuture.get();

        // 7.封装更新订单账单相关实体对象
        UpdateOrderBillForm updateOrderBillForm = new UpdateOrderBillForm();
        updateOrderBillForm.setOrderId(orderFeeForm.getOrderId());
        updateOrderBillForm.setDriverId(orderFeeForm.getDriverId());
        // 路桥费、停车费、其他费用
        updateOrderBillForm.setTollFee(orderFeeForm.getTollFee());
        updateOrderBillForm.setParkingFee(orderFeeForm.getParkingFee());
        updateOrderBillForm.setOtherFee(orderFeeForm.getOtherFee());
        // 乘客好处费
        updateOrderBillForm.setFavourFee(orderInfo.getFavourFee());
        // 实际里程
        updateOrderBillForm.setRealDistance(realDistance);
        // 订单奖励信息
        BeanUtils.copyProperties(rewardRuleResponseVo, updateOrderBillForm);
        // 代驾费用信息
        BeanUtils.copyProperties(feeRuleResponseVo, updateOrderBillForm);
        // 分账相关信息
        BeanUtils.copyProperties(profitSharingRuleResponseVo, updateOrderBillForm);
        updateOrderBillForm.setProfitsharingRuleId(profitSharingRuleResponseVo.getProfitsharingRuleId());
        log.info("结束代驾，更新账单信息：{}", JSON.toJSONString(updateOrderBillForm));

        // 8.结束代驾更新账单
        orderInfoFeignClient.endDrive(updateOrderBillForm);

        return true;
    }

    /**
     * 获取司机订单分页列表
     *
     * @param driverId 司机Id
     * @param page     当前页码
     * @param limit    每页显示条数
     */
    @Override
    public PageVo<OrderListVo> findDriverOrderPage(Long driverId, Long page, Long limit) {
        return orderInfoFeignClient.findDriverOrderPage(driverId, page, limit).getData();
    }

    /**
     * 司机发送账单信息
     *
     * @param orderId  订单Id
     * @param driverId 司机Id
     */
    @Override
    public Boolean sendOrderBillInfo(Long orderId, Long driverId) {
        return orderInfoFeignClient.sendOrderBillInfo(orderId, driverId).getData();
    }
}
